Closed-loop conveying device and method based on nickel hydroxide cobalt manganese ternary material

Abstract

This invention belongs to the technical field of powder conveying, specifically relating to a closed-loop conveying device and method based on nickel-cobalt-manganese hydroxide ternary materials. It includes two conveying systems, each comprising a disc dryer, an acceleration chamber, a buffer chamber, a negative pressure Roots blower, ductwork, and a dust collector. The dust collector includes a chamber, filter bags, and a hopper. The chamber is threadedly connected to the dust collector, and a sealing element is provided at the connection point. The disc dryer is connected to the buffer chamber via piping, the buffer chamber is connected to the acceleration chamber via piping, the acceleration chamber is connected to the chamber of the dust collector via piping, and a pipe connects the bottom of the chamber to the top of the hopper. The negative pressure Roots blower includes an output end and an input end. This device solves the problem that current methods for conveying nickel-cobalt-manganese hydroxide ternary materials cannot accelerate conveying efficiency through self-circulation, and that filter bags are frequently clogged during conveying, making easy and quick cleaning difficult.

Description

Technical Field

[0001] This invention belongs to the technical field of powder conveying, specifically relating to a closed-loop conveying device and method based on nickel-cobalt-manganese hydroxide ternary material. Background Technology

[0002] In recent years, new energy has flourished in my country, and the transportation of new energy materials has become increasingly important. Simultaneously, with my country's growing emphasis on environmental protection, energy conservation, and worker health, and increasingly stringent regulations, a highly efficient, energy-saving, environmentally friendly, and safe pneumatic material conveying method has become particularly crucial. However, the frequent cleaning of filter bags during material conveying often leads to clogging, causing conveying operations to halt and significantly reducing efficiency. This phenomenon has become a pressing problem for researchers in this field. Summary of the Invention

[0003] The purpose of this invention is to provide a closed-loop conveying device and method based on nickel-cobalt-manganese hydroxide ternary material to solve the problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a closed-loop conveying device and method based on nickel-cobalt-manganese hydroxide ternary material, comprising two conveying systems, each of which includes a disc dryer, an acceleration chamber, a buffer chamber, a negative pressure Roots blower, ductwork, and a dust collector. The dust collector includes a chamber, filter bags, and a hopper. The chamber is threadedly connected to the dust collector, and a sealing element is provided at the connection point. The disc dryer is piped to the buffer chamber, the buffer chamber is piped to the acceleration chamber, and the acceleration chamber is piped to the chamber of the dust collector. A pipe connects the bottom of the chamber to the top of the hopper. The negative pressure Roots blower includes an output end and an input end. The output end of the negative pressure Roots blower is connected to the dust collector pipe, and the input end of the negative pressure Roots blower is connected to the feed end pipe of the acceleration chamber. A mounting ring is fixed to the inner wall of the chamber, and the filter bags are bolted above the mounting ring and have counterweight balls installed inside. The ductwork of the two conveying systems is interconnected.

[0005] The present invention further illustrates that a through hole is provided on one side of the chamber, and a rotating shaft is installed in the bearing of the through hole. A cam is fixed to the right end of the rotating shaft, and a convex disk is connected to the outside of the cam. After the rotating shaft rotates, the convex disk comes into contact with the bottom end of the filter bag.

[0006] The present invention further describes that the rotating shaft has a threaded hole inside, and a threaded rod is threadedly connected inside the threaded hole. The rotating shaft and the cam have hydraulic holes inside, and a first sliding plug is slidably connected to the left inner wall of the hydraulic hole. A second sliding plug is slidably connected to the upper right inner wall. The first sliding plug is fixed to the right end of the threaded rod, and a connecting rod is fixed between the outer end of the second sliding plug and the inner end of the convex disc. A limit block is provided at the upper right end of the hydraulic hole, and hydraulic oil is filled between the first and second sliding plugs.

[0007] The present invention further explains that the outer ring of the threaded rod is provided with a scale, and the scale corresponds to the vibration intensity, which is graded from one to ten.

[0008] The present invention further explains that after the second sliding plug contacts the limiting block, and the rotating shaft is rotated, the outer end of the convex disk contacts the inner wall of the chamber.

[0009] The present invention further illustrates that the cam has a sliding hole inside, and a push rod is slidably connected to the inner wall of the sliding hole. A spring is fixed between the inner end of the push rod and the bottom of the inner wall of the sliding hole. The outer end of the push rod is arc-shaped, and in the initial state, the length extending out of the sliding hole is half the length of the convex disk.

[0010] The present invention further illustrates that the inner end of the push rod and the second slide plug are both magnetic, and the magnetic poles are opposite. In the initial state, the push rod and the second slide plug generate a magnetic attraction force, and the spring is in a deformed state.

[0011] The present invention further explains that the operating method includes: Step S1, the material of the disc dryer flows into the lower buffer chamber through the rotary valve; Step S2, the negative pressure Roots blower is started, and air is drawn into the dust collector through the air duct, forming a negative pressure inside the dust collector. At the same time, the air outlet on the right side of the negative pressure Roots blower continuously discharges the drawn gas to the feed end of the acceleration chamber below the disc dryer at a constant pressure; Step S3, the material in the buffer chamber is drawn into the dust collector through the lower acceleration chamber; Step S4, the nickel-cobalt-manganese ternary dust is filtered by the filter bag and flows into the lower hopper, and then is transferred to the next station through the lower pipeline.

[0012] Compared with existing technologies, the beneficial effects achieved by this invention are as follows: The two conveying systems used in this invention form a closed loop. As long as the end face is properly sealed at the interface, the entire system can be guaranteed to be leak-free, avoiding the serious dust leakage problem of previous positive pressure conveying. In addition, besides the negative pressure Roots blower suction port creating negative pressure to draw air from the dust collector, the drawn air is blown into the acceleration chamber from the negative pressure Roots blower outlet. The air pressure from both ends feeds the material simultaneously, greatly reducing the power consumption required for feeding and avoiding the problems of insufficient suction and insufficient conveying capacity of previous negative pressure conveying. All conveying pipes are lined with ceramic, preventing material from contacting metal during the feeding process. The possibility of generating magnetic materials is eliminated, and external moisture, air, and debris are completely isolated, ensuring the quality of the conveyed materials. The negative pressure Roots blower achieves self-circulation, preventing accidents caused by excessive pipeline pressure and improving system safety. There are online filters at both ends of the negative pressure Roots blower. When the filter bag of the dust collector is damaged, the dust is filtered by the online filter and will not enter the negative pressure Roots blower. Furthermore, the two sets of conveying systems are interconnected through the air ducts of the two sets of conveying systems. When the negative pressure Roots blower of one conveying system is damaged or under maintenance, the negative pressure Roots blower of the other conveying system can be used as a backup to ensure that the two conveying systems can operate simultaneously and improve conveying efficiency.

[0013] The rotating shaft can shake off the dust clogging the filter bag, ensuring that the filter bag can perform continuous and effective filtration. The rotating cam can also agitate the dust in the chamber, thereby preventing the chamber from clogging and affecting the material conveying process, thus improving conveying efficiency. The overall operation is simple and the structure is simple. Compared with disassembling the chamber to clean the filter bag, it is more convenient. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the conveying system of the present invention;

[0016] Figure 2 This is a plan view of the dust collector and chamber of the present invention;

[0017] Figure 3 This is a schematic diagram of the chamber structure of the present invention;

[0018] Figure 4 This is a schematic diagram of the internal mechanism of the cavity of the present invention;

[0019] Figure 5 This is a schematic diagram showing the connection relationship between the rotating shaft and the cam in this invention;

[0020] Figure 6 This is a schematic diagram of the internal structure of the rotating shaft and cam of the present invention;

[0021] Figure 7 These are schematic diagrams illustrating the processes of Embodiments 3 and 4 of the present invention;

[0022] In the diagram: 1. Chamber; 11. Mounting ring; 12. Rotating shaft; 13. Cam; 14. Convex disc; 15. Threaded rod; 16. Hydraulic hole; 161. Sliding plug one; 162. Sliding plug two; 17. Sliding hole; 18. Push rod; 19. Spring; 2. Filter bag; 21. Counterweight ball; 3. Disc dryer; 4. Acceleration chamber; 5. Buffer chamber; 6. Negative pressure Roots blower; 7. Air duct; 8. Dust collector; 9. Hopper. Detailed Implementation

[0023] The following detailed, non-limiting description of the technical solution of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] Please see Figures 1-7 The present invention provides a technical solution: a closed-loop conveying device and method based on nickel-cobalt-manganese hydroxide ternary material, comprising two conveying systems, each of which includes a disc dryer 3, an acceleration chamber 4, a buffer chamber 5, a negative pressure Roots blower 6, an air duct 7, and a dust collector 8. The dust collector 8 includes a chamber 1, a filter bag 2, and a hopper 9. The chamber 1 is threadedly connected to the dust collector 8, and a sealing element is provided at the connection.

[0025] The disc dryer 3 is connected to the buffer chamber 5 by a pipeline. The buffer chamber 5 is connected to the acceleration chamber 4 by a pipeline. The acceleration chamber 4 is connected to the chamber 1 of the dust collector 8 by a pipeline. The bottom of the chamber 1 is connected to the top of the hopper 9 by a pipeline. The negative pressure Roots blower 6 includes an output end and an input end. The output end of the negative pressure Roots blower 6 is connected to the dust collector 8 by a pipeline. The input end of the negative pressure Roots blower 6 is connected to the feed end of the acceleration chamber 4 by a pipeline. The inner wall of the chamber 1 is fixed with a mounting ring 11. The filter bag 2 is bolted on the top of the mounting ring 11 and has a counterweight ball 21 inside. The air ducts 7 of the two conveying systems are connected to each other by pipelines.

[0026] The material in the disc dryer 3 flows into the lower buffer chamber 5 through the rotary valve. The negative pressure Roots blower 6 starts and draws air into the dust collector 8 through the air duct 7, forming a sufficient negative pressure inside the dust collector 8. Under the action of negative pressure, the material in the buffer chamber 5 is continuously drawn into the dust collector 8 through the lower acceleration chamber 4. The nickel hydroxide cobalt manganese ternary dust is blocked and filtered by the filter bag 2 and flows into the lower hopper 9. Then it is transferred to the next station through the lower pipe. At the same time, the air outlet on the right side of the negative pressure Roots blower 6 continuously discharges the drawn gas to the feed end of the lower acceleration chamber 4 of the disc dryer 3 at a constant pressure to promote the continuous flow of material along the pipe towards the dust collector.

[0027] The two conveying systems form a closed loop. As long as the interfaces are properly sealed, the entire system is leak-free, avoiding the serious dust leakage problems of previous positive pressure conveying systems. In addition to the negative pressure created by the suction port of the negative pressure Roots blower 6 drawing air from the dust collector 8, the drawn air is blown into the acceleration chamber 4 from the outlet of the negative pressure Roots blower 6. The combined pneumatic force from both ends significantly reduces the power consumption required for feeding, avoiding the problems of insufficient suction and insufficient conveying capacity in previous negative pressure conveying systems. All conveying pipes are lined with ceramic, preventing the possibility of materials coming into contact with metal and generating magnetic materials during feeding, and also reducing external moisture... The system completely isolates the air and debris, ensuring the quality of the conveyed materials. It also enables the negative pressure Roots blower 6 to self-circulate, preventing accidents caused by excessive pipeline pressure and improving system safety. There are online filters at both ends of the negative pressure Roots blower 6. When the filter bag 2 of the dust collector 8 is damaged, the dust is filtered by the online filter and will not enter the negative pressure Roots blower 6. Furthermore, the two conveying systems are interconnected through the air ducts 7 of the two systems. When the negative pressure Roots blower 6 of one system is damaged or under maintenance, the negative pressure Roots blower 6 of the other system can serve as a backup to ensure that the two conveying systems can operate simultaneously and improve conveying efficiency.

[0028] When filter bag 2 is damaged, the operator only needs to unscrew chamber 1 from dust collector 8, and then remove filter bag 2 by turning the bolts. This facilitates quick replacement of filter bag 2, making the operation convenient and efficient, improving the output efficiency of nickel-cobalt-manganese ternary dust. In addition, the counterweight ball 21 set inside filter bag 2 can keep filter bag 2 stable and prevent it from turning outward, thus improving filtration efficiency and ensuring the conveying quality of nickel-cobalt-manganese ternary dust.

[0029] A through hole is provided on one side of the chamber 1, and a rotating shaft 12 is installed in the bearing inside the through hole. A cam 13 is fixed to the right end of the rotating shaft 12, and a convex disk 14 is connected to the outside of the cam 13.

[0030] After the rotating shaft 12 rotates, the convex disk 14 comes into contact with the bottom end of the filter bag 2;

[0031] When filter bag 2 or chamber 1 becomes clogged, the operator quickly rotates shaft 12, causing cam 13 to rotate, which in turn causes convex disk 14 to rotate around its center. When convex disk 14 rotates to the bottom of filter bag 2, it contacts the filter bag, thus lifting the filter bag 2. At the same time, the counterweight ball 21 inside filter bag 2 is also lifted. Then, convex disk 14 quickly disengages from filter bag 2, and the weight generated by counterweight ball 21 presses the filter bag 2 down and shakes it, thus shaking off the dust that clogs the filter bag 2. This ensures that filter bag 2 can perform continuous and effective filtration. Furthermore, the rotation of cam 13 can agitate the dust in chamber 1, thereby preventing the clog of chamber 1 from affecting the material conveying process and improving conveying efficiency. The overall operation is simple and the structure is simple. Compared to disassembling chamber 1 to clean filter bag 2, it is more convenient.

[0032] The rotating shaft 12 has a threaded hole inside, and a threaded rod 15 is threadedly connected inside the threaded hole. The rotating shaft 12 and the cam 13 have hydraulic holes 16 inside. A first slide plug 161 is slidably connected to the left inner wall of the hydraulic hole 16. A second slide plug 162 is slidably connected to the upper right inner wall.

[0033] The first slide plug 161 is fixed to the right end of the threaded rod 15. A connecting rod is fixed between the outer end of the second slide plug 162 and the inner end of the convex disk 14. A limit block is provided at the upper right end of the hydraulic hole 16. Hydraulic oil is filled between the first slide plug 161 and the second slide plug 162.

[0034] Example 1:

[0035] After the operator rotates the shaft 12 once, the filter bag 2 shakes once, but remains blocked. At this point, the operator twists the threaded rod 15, causing it to rotate and move to the right through the threaded hole. This causes the first slide plug 161 to slide to the right along the inner wall of the hydraulic hole 16. The hydraulic oil on the right side of the first slide plug 161 is squeezed, which pushes the second slide plug 162 upward. This, in turn, causes the convex disc 14 to move outward through the connecting rod, expanding it. This increases the height at which the disc lifts the filter bag 2 and the counterweight ball 21, thereby increasing the intensity of the downward shaking of the filter bag 2. This enhances the shaking intensity, allowing the filter bag 2 to be fully unblocked. By increasing the shaking intensity, the filter bag 2 can be unblocked in one or two shakes, avoiding damage caused by excessive shaking, which would reduce its service life and lower the replacement cost of the filter bag 2.

[0036] The outer ring of the threaded rod 15 is marked with a scale, and the scale corresponds to the vibration intensity, which is graded from one to ten.

[0037] The operator controls the movement distance of the first slide plug 161 and the second slide plug 162 by rotating the threaded rod 15 a certain number of times, thereby controlling the outward expansion distance of the convex disc 14. This allows for precise control of the vibration intensity, which can quickly unclog the filter bag 2, improve dust conveying efficiency, and further ensure the service life of the filter bag 2.

[0038] After the second slug 162 contacts the limiting block, and the rotating shaft 12 is rotated, the outer end of the convex disk 14 contacts the inner wall of the chamber 1.

[0039] Example 2:

[0040] After cleaning the filter bag 2 multiple times, the operator can rotate the threaded rod 15 to its limit position, so that the sliding plug 162 contacts the limiting block. At this time, the convex disk 14 expands outward to its limit position, and the shaking intensity reaches its maximum. The dust blockage can be completely cleaned with one shake. At the same time, the dust adhering to the inner wall of the chamber 1 can also be scraped off to further prevent the chamber 1 from being blocked, thereby further improving the dust conveying efficiency.

[0041] The cam 13 has a sliding hole 17 inside, and a push rod 18 is slidably connected to the inner wall of the sliding hole 17. A spring 19 is fixed between the inner end of the push rod 18 and the bottom of the inner wall of the sliding hole 17.

[0042] The outer end of the push rod 18 is arc-shaped, and in the initial state, the length of the rod extending out of the sliding hole 17 is half the length of the convex disk 14.

[0043] During the rotation of the shaft 12, the convex disc 14 first lifts the bottom of the filter bag 2 significantly, and then the push rod 18 contacts the bottom of the filter bag 2, lifting the filter bag 2 slightly. This double lifting is suitable for cases where the blockage is not severe, and it can clear the filter bag 2 in one go, improving the efficiency of clearing.

[0044] Furthermore, when the outer end of the top rod 18 contacts the bottom end of the filter bag 2, the weight generated by the counterweight ball 21 inside the filter bag 2 presses down on the top rod 18, causing the spring 19 to undergo slight deformation. This provides relative cushioning for the filter bag 2, preventing excessive strength under double lifting from causing rapid damage to the filter bag 2, thereby further improving the service life of the filter bag 2.

[0045] The inner end of the push rod 18 and the second slide 162 are both magnetic, with opposite magnetic poles. In the initial state, the push rod 18 and the second slide 162 generate a magnetic attraction force, and the spring 19 is in a deformed state.

[0046] Example 3:

[0047] The blockage of filter bag 2 is not serious. Filter bag 2 has been cleared without rotating threaded rod 15. At this time, the top rod 18 is in the initial state. The magnetic attraction generated by the sliding plug 162 and the inner end of the top rod 18 can keep the top rod 18 in the initial position. The distance of the top rod extending out of the sliding hole 17 is small, so as to accurately control the shaking intensity and prevent damage to filter bag 2.

[0048] Example 4:

[0049] The filter bag 2 is severely clogged. The threaded rod 15 has rotated to its limit position, and the second sliding plug 162 has reached its limit position and is restricted by the limiting block. At the same time, the magnetic attraction between the second sliding plug 162 and the top rod 18 is weakened. The reaction force generated by the spring 19 pushes the top rod 18 to move outward. The top rod 18 is fully extended. At this time, when the bottom of the double-lifted filter bag 2 is reached, the filter bag 2 can be fully cleared by a single shake. It can be cleared quickly without causing excessive damage to the filter bag 2, thus protecting the filter bag 2.

[0050] The operation methods include:

[0051] Step S1: The material from the disc dryer 3 flows into the lower buffer chamber 5 through the rotary valve;

[0052] Step S2: The negative pressure Roots blower 6 is started and draws air from the dust collector 8 through the air duct 7, forming a negative pressure inside the dust collector 8. At the same time, the air outlet on the right side of the negative pressure Roots blower 6 continuously discharges the drawn gas to the feed end of the acceleration chamber 4 below the disc dryer 3 at a constant pressure.

[0053] In step S3, the material in the buffer chamber 5 is drawn into the dust collector 8 through the lower acceleration chamber 4;

[0054] In step S4, the nickel-cobalt-manganese ternary dust is blocked and filtered by the filter bag 2 and flows into the hopper 9 below, and then is transferred to the next station through the pipeline below.

[0055] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features, and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A closed-loop conveying device based on nickel-cobalt-manganese hydroxide ternary material, comprising two conveying systems, characterized in that: Both conveying systems include a disc dryer (3), an acceleration chamber (4), a buffer chamber (5), a negative pressure Roots blower (6), a duct (7), and a dust collector (8). The dust collector (8) includes a chamber (1), a filter bag (2), and a hopper (9). The chamber (1) is threadedly connected to the dust collector (8), and a sealing element is provided at the connection. The disc dryer (3) is connected to the buffer chamber (5) by a pipe. The buffer chamber (5) is connected to the acceleration chamber (4) by a pipe. The acceleration chamber (4) is connected to the chamber (1) of the dust collector (8) by a pipe. The bottom of the chamber (1) is connected to the top of the silo (9) by a pipe. The negative pressure Roots blower (6) includes an output end and an input end. The output end of the negative pressure Roots blower (6) is connected to the dust collector (8) by a pipe. The input end of the negative pressure Roots blower (6) is connected to the feed end of the acceleration chamber (4) by a pipe. The inner wall of the chamber (1) is fixed with a mounting ring (11). The filter bag (2) is bolted on the top of the mounting ring (11) and has a counterweight ball (21) inside. The air ducts (7) of the two sets of conveying systems are connected to each other by pipes. A through hole is provided on one side of the chamber (1), and a rotating shaft (12) is installed in the bearing inside the through hole. A cam (13) is fixed at the right end of the rotating shaft (12), and a convex disk (14) is connected to the outside of the cam (13). After the rotating shaft (12) rotates, the convex disk (14) comes into contact with the bottom end of the filter bag (2); The rotating shaft (12) has a threaded hole inside, and a threaded rod (15) is threadedly connected inside the threaded hole. The rotating shaft (12) and the cam (13) have hydraulic holes (16) inside. A first sliding plug (161) is slidably connected to the left inner wall of the hydraulic hole (16), and a second sliding plug (162) is slidably connected to the upper right inner wall. The right end of the first slide plug (161) is fixed to the right end of the threaded rod (15), and a connecting rod is fixed between the outer end of the second slide plug (162) and the inner end of the convex disk (14). A limit block is provided at the upper right end of the hydraulic hole (16), and hydraulic oil is filled between the first slide plug (161) and the second slide plug (162). The outer ring of the threaded rod (15) is provided with a scale, and the scale corresponds to the vibration intensity, which is graded from one to ten. After the second sliding plug (162) contacts the limiting block, and the rotating shaft (12) is rotated, the outer end of the convex disk (14) contacts the inner wall of the chamber (1); The cam (13) has a sliding hole (17) inside, and a push rod (18) is slidably connected to the inner wall of the sliding hole (17). A spring (19) is fixed between the inner end of the push rod (18) and the bottom of the inner wall of the sliding hole (17). The outer end of the top rod (18) is arc-shaped, and the length of the rod extending out of the sliding hole (17) in the initial state is half the length of the convex disk (14); The inner end of the push rod (18) and the second slide (162) are both magnetic, and their magnetic poles are opposite. In the initial state, the push rod (18) and the second slide (162) generate a magnetic attraction force, and the spring (19) is in a deformed state.

2. A method for operating a closed-loop conveying device based on nickel-cobalt-manganese hydroxide ternary material, employing the closed-loop conveying device based on nickel-cobalt-manganese hydroxide ternary material as described in claim 1, characterized in that: The operating method includes: Step S1: The material from the disc dryer (3) flows into the lower buffer chamber (5) through the rotary valve; Step S2: The negative pressure Roots blower (6) is started and draws air from the dust collector (8) through the air duct (7), forming a negative pressure inside the dust collector (8). At the same time, the air outlet on the right side of the negative pressure Roots blower (6) continuously discharges the drawn gas to the feed end of the acceleration chamber (4) below the disc dryer (3) at a constant pressure. Step S3: The material in the buffer chamber (5) is drawn into the dust collector (8) through the lower acceleration chamber (4); Step S4: After being blocked and filtered by the filter bag (2), the nickel-cobalt-manganese ternary dust flows into the silo (9) below and is then transferred to the next work station through the pipeline below.

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